Drill bit sharpener



FIG. 1 is a left side elevational view of the drill bit sharpenershowing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top plan view thereof.

The ornamental design for a drill bit sharpener, as shown.